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<div class="subTitle">org.apache.commons.math3.ode.sampling</div>
<h2 title="Class DummyStepHandler" class="title">Class DummyStepHandler</h2>
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<li>org.apache.commons.math3.ode.sampling.DummyStepHandler</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../../org/apache/commons/math3/ode/sampling/StepHandler.html" title="interface in org.apache.commons.math3.ode.sampling">StepHandler</a></dd>
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<pre>public class <span class="strong">DummyStepHandler</span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../../org/apache/commons/math3/ode/sampling/StepHandler.html" title="interface in org.apache.commons.math3.ode.sampling">StepHandler</a></pre>
<div class="block">This class is a step handler that does nothing.

 <p>This class is provided as a convenience for users who are only
 interested in the final state of an integration and not in the
 intermediate steps. Its handleStep method does nothing.</p>

 <p>Since this class has no internal state, it is implemented using
 the Singleton design pattern. This means that only one instance is
 ever created, which can be retrieved using the getInstance
 method. This explains why there is no public constructor.</p></div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>1.2</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../org/apache/commons/math3/ode/sampling/StepHandler.html" title="interface in org.apache.commons.math3.ode.sampling"><code>StepHandler</code></a></dd></dl>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>static <a href="../../../../../../org/apache/commons/math3/ode/sampling/DummyStepHandler.html" title="class in org.apache.commons.math3.ode.sampling">DummyStepHandler</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/ode/sampling/DummyStepHandler.html#getInstance()">getInstance</a></strong>()</code>
<div class="block">Get the only instance.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/ode/sampling/DummyStepHandler.html#handleStep(org.apache.commons.math3.ode.sampling.StepInterpolator,%20boolean)">handleStep</a></strong>(<a href="../../../../../../org/apache/commons/math3/ode/sampling/StepInterpolator.html" title="interface in org.apache.commons.math3.ode.sampling">StepInterpolator</a>&nbsp;interpolator,
          boolean&nbsp;isLast)</code>
<div class="block">Handle the last accepted step.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/ode/sampling/DummyStepHandler.html#init(double,%20double[],%20double)">init</a></strong>(double&nbsp;t0,
    double[]&nbsp;y0,
    double&nbsp;t)</code>
<div class="block">Initialize step handler at the start of an ODE integration.</div>
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<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>getInstance</h4>
<pre>public static&nbsp;<a href="../../../../../../org/apache/commons/math3/ode/sampling/DummyStepHandler.html" title="class in org.apache.commons.math3.ode.sampling">DummyStepHandler</a>&nbsp;getInstance()</pre>
<div class="block">Get the only instance.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the only instance</dd></dl>
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<h4>init</h4>
<pre>public&nbsp;void&nbsp;init(double&nbsp;t0,
        double[]&nbsp;y0,
        double&nbsp;t)</pre>
<div class="block">Initialize step handler at the start of an ODE integration.
 <p>
 This method is called once at the start of the integration. It
 may be used by the step handler to initialize some internal data
 if needed.
 </p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/ode/sampling/StepHandler.html#init(double,%20double[],%20double)">init</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/ode/sampling/StepHandler.html" title="interface in org.apache.commons.math3.ode.sampling">StepHandler</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>t0</code> - start value of the independent <i>time</i> variable</dd><dd><code>y0</code> - array containing the start value of the state vector</dd><dd><code>t</code> - target time for the integration</dd></dl>
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<h4>handleStep</h4>
<pre>public&nbsp;void&nbsp;handleStep(<a href="../../../../../../org/apache/commons/math3/ode/sampling/StepInterpolator.html" title="interface in org.apache.commons.math3.ode.sampling">StepInterpolator</a>&nbsp;interpolator,
              boolean&nbsp;isLast)</pre>
<div class="block">Handle the last accepted step.
 This method does nothing in this class.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/ode/sampling/StepHandler.html#handleStep(org.apache.commons.math3.ode.sampling.StepInterpolator,%20boolean)">handleStep</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/commons/math3/ode/sampling/StepHandler.html" title="interface in org.apache.commons.math3.ode.sampling">StepHandler</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>interpolator</code> - interpolator for the last accepted step. For
 efficiency purposes, the various integrators reuse the same
 object on each call, so if the instance wants to keep it across
 all calls (for example to provide at the end of the integration a
 continuous model valid throughout the integration range), it
 should build a local copy using the clone method and store this
 copy.</dd><dd><code>isLast</code> - true if the step is the last one</dd></dl>
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